CVE-2019-15989 is a denial-of-service vulnerability affecting Cisco IOS XR Software's BGP functionality. It stems from incorrect processing of a malformed BGP update message containing a specific attribute. An unauthenticated, remote attacker could exploit this by sending such a message from a configured BGP peer or injecting it into an existing BGP connection, causing the BGP process to restart. With a CVSS score of 8.6 (HIGH), this vulnerability has a network attack vector and low attack complexity, leading to a high impact on availability. There is no evidence of active exploitation, nor are there publicly available exploit tools or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
6.6.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:6.6.1:*:*:*:*:*:*:* | ||
6.6.2CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:6.6.2:*:*:*:*:*:*:* | ||
6.6.25CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:6.6.25:*:*:*:*:*:*:* | ||
7.0.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:7.0.1:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
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